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authorThomas Zimmermann <tzimmermann@suse.de>2023-06-19 16:33:14 +0200
committerThomas Zimmermann <tzimmermann@suse.de>2023-06-19 16:33:14 +0200
commitde8a334f215c5a5c5bb070df4325af824d7eaaf1 (patch)
treeb1106ab401a46ce66725f61a7d1b067e9a08f859 /fs/smb/server/mgmt/ksmbd_ida.h
parent0adec22702d497385dbdc52abb165f379a00efba (diff)
parent2222dcb0775d36de28992f56455ab3967b30d380 (diff)
Merge drm/drm-next into drm-misc-next
Backmerging into drm-misc-next to get commit 2c1c7ba457d4 ("drm/amdgpu: support partition drm devices"), which is required to fix commit 0adec22702d4 ("drm: Remove struct drm_driver.gem_prime_mmap"). Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Diffstat (limited to 'fs/smb/server/mgmt/ksmbd_ida.h')
-rw-r--r--fs/smb/server/mgmt/ksmbd_ida.h34
1 files changed, 34 insertions, 0 deletions
diff --git a/fs/smb/server/mgmt/ksmbd_ida.h b/fs/smb/server/mgmt/ksmbd_ida.h
new file mode 100644
index 000000000000..2bc07b16cfde
--- /dev/null
+++ b/fs/smb/server/mgmt/ksmbd_ida.h
@@ -0,0 +1,34 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Copyright (C) 2018 Samsung Electronics Co., Ltd.
+ */
+
+#ifndef __KSMBD_IDA_MANAGEMENT_H__
+#define __KSMBD_IDA_MANAGEMENT_H__
+
+#include <linux/slab.h>
+#include <linux/idr.h>
+
+/*
+ * 2.2.1.6.7 TID Generation
+ * The value 0xFFFF MUST NOT be used as a valid TID. All other
+ * possible values for TID, including zero (0x0000), are valid.
+ * The value 0xFFFF is used to specify all TIDs or no TID,
+ * depending upon the context in which it is used.
+ */
+int ksmbd_acquire_smb2_tid(struct ida *ida);
+
+/*
+ * 2.2.1.6.8 UID Generation
+ * The value 0xFFFE was declared reserved in the LAN Manager 1.0
+ * documentation, so a value of 0xFFFE SHOULD NOT be used as a
+ * valid UID.<21> All other possible values for a UID, excluding
+ * zero (0x0000), are valid.
+ */
+int ksmbd_acquire_smb2_uid(struct ida *ida);
+int ksmbd_acquire_async_msg_id(struct ida *ida);
+
+int ksmbd_acquire_id(struct ida *ida);
+
+void ksmbd_release_id(struct ida *ida, int id);
+#endif /* __KSMBD_IDA_MANAGEMENT_H__ */